Is this a run-on sentence?
Trumpeter, composer, and teacher Wynton Marsalis distinguished himself as a promising
musician at an early age.
yes
no
D
il

This is not a run-on sentence.

Explanation:

A run-on sentence is a set of multiple sentences,which are not joined together properly. (frequently missing the proper punctuation.)  

Here's an example:

I like playing video games they're the coolest I like sonic the hedgehog the best.

This is a run-on. Here is the corrected sentence:

I like playing video games, they're the coolest! I like sonic the hedgehog the best.

Hope this helps

yh it is right

explanation:

you can earn the crowns by answering others questions an being selected brainliest if your answer is the best.

good luck: )